Fastener



FIG. 1 is a side view of the fastener of the present invention, the opposite side being identical.

FIG. 2 is a side perspective of a top piece of the fastener of the present invention, the opposite side being identical.

FIG. 3 is a side perspective view of a bottom piece of the fastener of the present invention, the opposite side being identical.

FIG. 4 is a side view of the top piece of the fastener of the present invention, the opposite side being identical.

FIG. 5 is an end view of the top piece of the fastener of the present invention, the opposite end being identical.

FIG. 6 is a top view of the top piece of the fastener of the present invention as viewed from the perspective shown in FIG. 1.

FIG. 7 is a bottom view of the top piece of the fastener of the present invention.

FIG. 8 is a side view of the bottom piece of the fastener of the present invention, the opposite side being identical.

FIG. 9 is an end view of the bottom view of the bottom piece of the fastener of the present invention, the opposite end being identical.

FIG. 10 is a top view of the bottom piece of the fastener of the present invention; and,

FIG. 11 is a bottom view of the bottom piece of the fastener of the present invention. 

I claim the ornamental design for a fastener, as shown. 